Base | Representation |
---|---|
bin | 111000000111100111… |
… | …1001101000101011000 |
3 | 102112001212201111221211 |
4 | 1300033033031011120 |
5 | 3433303232301110 |
6 | 131210320512504 |
7 | 11464316200642 |
oct | 1601717150530 |
9 | 375055644854 |
10 | 120514728280 |
11 | 471234710a1 |
12 | 1b43417b734 |
13 | b497a2820b |
14 | 5b93853892 |
15 | 320527c98a |
hex | 1c0f3cd158 |
120514728280 has 64 divisors (see below), whose sum is σ = 279994579200. Its totient is φ = 46635962880.
The previous prime is 120514728253. The next prime is 120514728287. The reversal of 120514728280 is 82827415021.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120514728287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4367166 + ... + 4394674.
It is an arithmetic number, because the mean of its divisors is an integer number (4374915300).
Almost surely, 2120514728280 is an apocalyptic number.
120514728280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120514728280 is an abundant number, since it is smaller than the sum of its proper divisors (159479850920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120514728280 is a wasteful number, since it uses less digits than its factorization.
120514728280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31084 (or 31080 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 40.
The spelling of 120514728280 in words is "one hundred twenty billion, five hundred fourteen million, seven hundred twenty-eight thousand, two hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •